Fast Pulse Generator

[kumar]

Given below is the link to a video which demonstates a high voltage fast pulse generator.

http://www.eevblog.com/2012/07/06/eevblog-306-jim-williams-pulse-generator/

I would like to buy this generator (either the one shown in the video or simillar).I wrote to siliconvalleygarage but did not receive any reply.

Can anyone please post contact details of manufacturer of these generators?